/****************************************************************************
**
** Copyright zjzdy
**
** This source code is licensed under under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
****************************************************************************/

// Most of the code here was originally written by Serika Kurusugawa
// a.k.a. Junji Takagi, and is included in Qt with the author's permission,
// and the grateful thanks of the Qt team.

/*
 * Copyright (C) 1999 Serika Kurusugawa, All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef JPUNICODE_P_H
#define JPUNICODE_P_H

#include "textcodec.h"
#include "textcodec_p.h"
namespace zdytool {
#ifndef Z_NO_BIG_TEXTCODECS

	class JpUnicodeConv {
	public:
		virtual ~JpUnicodeConv() {}
		enum Rules {
			// "ASCII" is ANSI X.3.4-1986, a.k.a. US-ASCII here.
			Default                        = 0x0000,

			Unicode                        = 0x0001,
			Unicode_JISX0201               = 0x0001,
			Unicode_ASCII                  = 0x0002,
			JISX0221_JISX0201              = 0x0003,
			JISX0221_ASCII                 = 0x0004,
			Sun_JDK117                     = 0x0005,
			Microsoft_CP932                = 0x0006,

			NEC_VDC                        = 0x0100,                // NEC Vender Defined Char
			UDC                            = 0x0200,                // User Defined Char
			IBM_VDC                        = 0x0400                 // IBM Vender Defined Char
		};
		static JpUnicodeConv *newConverter(int rule);

		virtual uint asciiToUnicode(uint h, uint l) const;
		/*virtual*/ uint jisx0201ToUnicode(uint h, uint l) const;
		virtual uint jisx0201LatinToUnicode(uint h, uint l) const;
		/*virtual*/ uint jisx0201KanaToUnicode(uint h, uint l) const;
		virtual uint jisx0208ToUnicode(uint h, uint l) const;
		virtual uint jisx0212ToUnicode(uint h, uint l) const;

		uint asciiToUnicode(uint ascii) const {
			return asciiToUnicode((ascii & 0xff00) >> 8, (ascii & 0x00ff));
		}
		uint jisx0201ToUnicode(uint jis) const {
			return jisx0201ToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
		}
		uint jisx0201LatinToUnicode(uint jis) const {
			return jisx0201LatinToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
		}
		uint jisx0201KanaToUnicode(uint jis) const {
			return jisx0201KanaToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
		}
		uint jisx0208ToUnicode(uint jis) const {
			return jisx0208ToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
		}
		uint jisx0212ToUnicode(uint jis) const {
			return jisx0212ToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
		}

		virtual uint unicodeToAscii(uint h, uint l) const;
		/*virtual*/ uint unicodeToJisx0201(uint h, uint l) const;
		virtual uint unicodeToJisx0201Latin(uint h, uint l) const;
		/*virtual*/ uint unicodeToJisx0201Kana(uint h, uint l) const;
		virtual uint unicodeToJisx0208(uint h, uint l) const;
		virtual uint unicodeToJisx0212(uint h, uint l) const;

		uint unicodeToAscii(uint unicode) const {
			return unicodeToAscii((unicode & 0xff00) >> 8, (unicode & 0x00ff));
		}
		uint unicodeToJisx0201(uint unicode) const {
			return unicodeToJisx0201((unicode & 0xff00) >> 8, (unicode & 0x00ff));
		}
		uint unicodeToJisx0201Latin(uint unicode) const {
			return unicodeToJisx0201Latin((unicode & 0xff00) >> 8, (unicode & 0x00ff));
		}
		uint unicodeToJisx0201Kana(uint unicode) const {
			return unicodeToJisx0201Kana((unicode & 0xff00) >> 8, (unicode & 0x00ff));
		}
		uint unicodeToJisx0208(uint unicode) const {
			return unicodeToJisx0208((unicode & 0xff00) >> 8, (unicode & 0x00ff));
		}
		uint unicodeToJisx0212(uint unicode) const {
			return unicodeToJisx0212((unicode & 0xff00) >> 8, (unicode & 0x00ff));
		}

		uint sjisToUnicode(uint h, uint l) const;
		uint unicodeToSjis(uint h, uint l) const;
		uint sjisibmvdcToUnicode(uint h, uint l) const;
		uint unicodeToSjisibmvdc(uint h, uint l) const;
		uint cp932ToUnicode(uint h, uint l) const;
		uint unicodeToCp932(uint h, uint l) const;

		uint sjisToUnicode(uint sjis) const {
			return sjisToUnicode((sjis & 0xff00) >> 8, (sjis & 0x00ff));
		}
		uint unicodeToSjis(uint unicode) const {
			return unicodeToSjis((unicode & 0xff00) >> 8, (unicode & 0x00ff));
		}

	protected:
		explicit JpUnicodeConv(int r) : rule(r) {}

	private:
		int rule;
	};

#endif // Z_NO_BIG_TEXTCODECS
}
#endif // JPUNICODE_P_H
